DeleteService

関数

指定したサービスをSCMデータベースから削除する。

DLLADVAPI32.dll呼出規約winapiSetLastErrorあり対応OSWindows XP 以降

シグネチャ

// ADVAPI32.dll
#include <windows.h>

BOOL DeleteService(
    SC_HANDLE hService
);

パラメーター

名前	型	方向
hService	SC_HANDLE	in

戻り値の型: BOOL

各言語での呼び出し定義

// ADVAPI32.dll
#include <windows.h>

BOOL DeleteService(
    SC_HANDLE hService
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("ADVAPI32.dll", SetLastError = true, ExactSpelling = true)]
static extern bool DeleteService(
    IntPtr hService   // SC_HANDLE
);

<DllImport("ADVAPI32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function DeleteService(
    hService As IntPtr   ' SC_HANDLE
) As Boolean
End Function

' hService : SC_HANDLE
Declare PtrSafe Function DeleteService Lib "advapi32" ( _
    ByVal hService As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

DeleteService = ctypes.windll.advapi32.DeleteService
DeleteService.restype = wintypes.BOOL
DeleteService.argtypes = [
    wintypes.HANDLE,  # hService : SC_HANDLE
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ADVAPI32.dll')
DeleteService = Fiddle::Function.new(
  lib['DeleteService'],
  [
    Fiddle::TYPE_VOIDP,  # hService : SC_HANDLE
  ],
  Fiddle::TYPE_INT)

#[link(name = "advapi32")]
extern "system" {
    fn DeleteService(
        hService: *mut core::ffi::c_void  // SC_HANDLE
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("ADVAPI32.dll", SetLastError = true)]
public static extern bool DeleteService(IntPtr hService);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ADVAPI32_DeleteService' -Namespace Win32 -PassThru
# $api::DeleteService(hService)

#uselib "ADVAPI32.dll"
#func global DeleteService "DeleteService" sptr
; DeleteService hService   ; 戻り値は stat
; hService : SC_HANDLE -> "sptr"
; ※HSP3.7は #func のため戻り値はシステム変数 stat に格納されます。

#uselib "ADVAPI32.dll"
#cfunc global DeleteService "DeleteService" sptr
; res = DeleteService(hService)
; hService : SC_HANDLE -> "sptr"

; BOOL DeleteService(SC_HANDLE hService)
#uselib "ADVAPI32.dll"
#cfunc global DeleteService "DeleteService" intptr
; res = DeleteService(hService)
; hService : SC_HANDLE -> "intptr"

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	advapi32 = windows.NewLazySystemDLL("ADVAPI32.dll")
	procDeleteService = advapi32.NewProc("DeleteService")
)

// hService (SC_HANDLE)
r1, _, err := procDeleteService.Call(
	uintptr(hService),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function DeleteService(
  hService: THandle   // SC_HANDLE
): BOOL; stdcall;
  external 'ADVAPI32.dll' name 'DeleteService';

result := DllCall("ADVAPI32\DeleteService"
    , "Ptr", hService   ; SC_HANDLE
    , "Int")   ; return: BOOL

●DeleteService(hService) = DLL("ADVAPI32.dll", "bool DeleteService(void*)")
# 呼び出し: DeleteService(hService)
# hService : SC_HANDLE -> "void*"
# なでしこ1は32bit・ANSI(Shift_JIS)。文字列=char*(ANSI)、ポインタ/ハンドル=void*(4byte)。